AU - Kıdak, Şeyma Meltem AU - Arapoğlu, Rifat Aykut AU - Aktar Demirtaş, Ezgi TI - Efficiency analysis of OECD countries during COVID-19 pandemic using multi-stage DEA PT - Journal Article DP - 2023 TA - Pamukkale Univ Muh Bilim Derg PG - 426-439 VI - 29 IP - 5 AID - 10.5505/pajes.2022.81486 [doi] 4100 - https://dx.doi.org/10.5505/pajes.2022.81486 SO - Pamukkale University Journal of Engineering Sciences, 2023 29(5):426